Expansion of g/(1 + x^2*g^3), where g = 1+x*g^4 is the g.f. of A002293.
A391325
Expansion of g/(1 + x^2*g^3), where g = 1+x*g^4 is the g.f. of A002293.
Terms
- a(0) =1a(1) =1a(2) =3a(3) =18a(4) =119a(5) =836a(6) =6163a(7) =47083a(8) =369523a(9) =2961771a(10) =24142264a(11) =199523492a(12) =1668022194a(13) =14080977404a(14) =119862325698
External references
- oeis: A391325